Some cheap flip phones include a radio. Small and light, use it just for your radio and save your other phone for emergencies. You may need to use earbuds or headphones though and yes, one more charger to bring. Here's mine. It works fine ...
$19 Alcatel flip phone ^
edit- The Alcatel is indeed an over-the-air radio. It does not use any streaming/cellular data. The earbud cord is the antenna.
Last edited by BobG; 09-22-20 at 10:20 AM.